package cn.demographic.entity;

public class Usage {
    private Integer id;

    private String usage;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getUsage() {
        return usage;
    }

    public void setUsage(String usage) {
        this.usage = usage == null ? null : usage.trim();
    }
}